Driving mechanism for generators.



W. L. BLISS.

DRIVING MECHANISM FOR GENERATORS.

APPLIOATION FILED MAY 2, 1910. 1,025,506, Patented May 7, 1912.

W. L. BLISS. DRIVING MECHANISM FOR GENERATORS. APPLICATION FILED MAY 2, 1910 1,025,506. Patented May 7, 1912.

2 BHBETS-SHEET 2.

mmm)mmmmmmmmg UN PATENT WILLIAM L. HD1533, OF MILXELhUKEE; VJISUONSIN, A$$IGNOR T0 THE UNITED $TATES LIGHT 8e; HEATING CGMPANx, OF NEX YSRK, Ii. 21, A CDRPORATION GE MAINE.

DRIVING MECHANIlSM F03 GENERATORS.

roeeeoo. Specification o Letters Patent Patented May 7, 1%;2.

Application filefij/Iay 2,1916 Serial No. 559.016.

To all whom it may concern; being to reduce lo the lnillifi'iflifh the ilisizince Be it known that I. li'niiinm l). line; a citizen or" the United Slates risiding at lllilwuuhee, in the couui'y of li'iilwuukee and P late of ll isconsin, have invenied new and useful l mprmemente in Driving Mechanism for Generators, 0-. which the ii'illowing' is full, clear, concise, zuul exact z'lcscripiion, reference liieing lliifl to ihe uccoinpnl'iying drawing, forming u purl of this specification.

My invention rehiiee to a friction drive for a generator and while it is adapted for general use, it applies particularly to that class oi generators used in our lighting systems and deriving {heir power from the truck of the car in which they are mounterl Various driving arrangements have been adopted in the past, the most coinz'uon being); to mount the generator on ihe cur irucli zinii. drive it by a hell, frou'i a pulley made in two halves and clamped io one oi the cor Another method hes been lo iil'lVQ he truck mounted generator hy from oil the axles. Another has men to mount the gen crater in the body oi'i' the car and drive it by a belt from one of ihe axles,-

The object of s invention lo provide practical and e driving he gcneraror directly from lhe cor wheels, thus dispensing with the customary pulley or gear, eiulioking mlvuntage oi the fact that the car wheels are of din cter and reach nearly to the body of she car, so that but little intermediate mechanism is required to transmit power from ihe rim of the wheel to the generator on the floor oi the car.

While power may he roneiiiitieel from :1 car wheel, to a generator located ehove said wheel, in a' number of ways, i have illnetrated in the drawings, o. convenient and practical method of on'iborlying the ioroncl idea of my invention, in which drawingsz- Figure 1 is a siole elevation oi the generator, part of the car truck and ii'iterineelia-iic driving mechanism Fig. 2 is a front elevation thereof. Fig. 3 is a plan view.

Referring to the ilrawings, a generatcu l, of any suitable construction shown secured to the floor of ihe car 2, although it may of course be secured to any special mounting, if desired the object of securing the generator directly .to the floor of the 6315i 1631i ii iciion means for hel'woen the generator and, he cur wheels.

While {he geiwrziior may he of any desired construction, the preferred form illustraced has two rods or hairs? and 4c secured to the top ihereof and extending beyond he ends, as seen in Figs. 2 and 3. These oars and l, have mounted on each c213, an auxiliary hearing 5 to support the generator exlei The rod i I end, the bracket 6, having hollow extending urine 7--7. Each of the arms receives the inemhe 8, time forming a telescoping con nection. The rod or member 8, ferries a guide block-9, having :1 portion 10 which acts as oy bearing for the friction wheel 11. In the guide block 9 is slidahly mounted bar 12, adapted to move in 2. line at right angles to lhe teiescopii'ig support ii. although lhe angle between these memh may he :iliered I oeeirecl. A coil 5 ring ill abuts against guide 9 at one "end and ihe adjustable op 14 at the other end, and nornmlly tends to move said guide block 9 away from the stop '4. The end of the rod 12, is pivotally secured in the l'ieeringe 15, which 1113: he mount eel on i/he floor of the cor 2 or in any other able. manner: I

The iriclioh wheel ll shown in the preferred formas provided wilh suitabl fire 16, which may be either piieunmliic or solid, and wliicl lire hear: lircci'ly on the top of also against the double flanged l ringpulley 18 the preesure upon the dri Jili and driven wheels, and cousc-queni'ly ihe f1 .icliion heing euhsiarh tiziliy the seam-e since the friction wheel 11 is moved along :i line which practically loiseccs lihe zu'ig'le mule by l'he axles of the three wheelsi From the foregoing, ii will be apparent that the spring 13 forces the block 9 ton 2111i one of the our wheels Ill and the pivot 15, thus n'uiiulaiining sufiicient pressure upon the driving: and elriven wheels to avoid sli nin and at the some time ihe iblock 9 and hearing l0 oi the wheel ii, are

pivoiuily inovnhle about ihe support 15 to permit variations in (iistmicc between the generator owl (he cor wheel 17, flilfi to a slight up and down lilOiiOli of the car body upon its springs. 'lhe-telescoping members 7 and 8 permit of this inoi'ion while moi mining; the nlinenieut of the ports.

From an inspect-ion'of'lligi i he has also mounicd thereon at each pin (shown in dotted outline) mounted above the center of the axle of the middle -wheels, in awellknown manner. As a result of this mounting, there is only a slight twisting of the driving wheel with reference to the generator and friction wheel when the train is rounding a sharp curve. On such a curve, the friction wheel on one side has its point of contact with the driving wheel moved very slightly downward and to the rear, and on the other side moved very slightly downward and forward, the telescoping members and the pivoted spring connection permitting this slight variation.

While in the above description have referred to fcertain embodiments of the principle of my'invention, I do not limit myself to specific details of construction, but desire to include broadly, any practical means for accomplishing the desired result and coming within the scope of the appended claims.

Having described my invention, what I claim and desire to secure by Letters Patent of the United States, is

1. In combination, a generator, a vehicle wheel angularly movable in respect to said generator and a friction wheel directly intermediate said generator and wheel and in operative relation thereto in all positions.

2. In a generator driving mechanism, a enerator, a frame mounted thereon, a driving wheel, a friction wheel mounted within said frame, and means to maintain said friction wheel in active engagement between said generator and said driving wheel.

3-. The combination with a car frame, of wheels beneath the same, a generator mounted on said frame, a driving pulley on the shaft of said generator, a friction wheel bearing on the rim of one of said car wheels apd also on the rim of said pulley, bearings for said friction wheel mounted in a swinging frame forforcing said friction wheel between said car wheel and pulley, whereby good frictional contact is maintained.

4;. In a generator driving mechanism, the combination with .a generator having a casing, of a frame-pivoted thereto, said frame comprising telescoping members having a friction wheel mounted thereon, spring means cooperating with one of said tele scoping members and a fixed support, to impelsaid friction wheel in a given direction, a pulley on the generator shaft and a driving wheel, both adjacent said pulley, to re sist the thrust of said spring-impelled wheel, whereby frictio nal contact is maintained.

5. In combination, a generator mounted in a car over the car truck, a driving pulley for said generator, a wheel intermediate said pulley and one of the car wheels, said wheel having a rubber tire bearing against the rim of said pulley and the rim of said car wheel, a frame supporting said wheel, saidframe consisting of a plurality of telescoping parts, certain parts being hinged to the generator frame, the others carrying bearing members for said wheel, said bearing members being provided with holes to receive sliding bars, fixed supports for one end of said bars, and adjustable stops near the other end of said bars, coil springs surrounding said bars and bearing against said stops and said bearing members, whereby said wheel is held firmly but yieldingly against said pulley and said car wheel.

.6. In combination, a wheel truck, a car body, a pivotal connection between said parts,a generator mounted in said car substantially in alinement with said connection, compensating means connecting said generator and truck, whereby said generator is driven by power derived from the rotation of said wheels, irrespective of the movement of said truck about said pivoted connection.

7. In a generator driving mechanism, a generator, :1 frame p voted thereto, a driving wheel angularly movable in respect to said generator, a friction wheel mounted within said frame and means associated with said frame to maintain said friction wheel in active engagement between said generator and driving wheel in all positions.

8. In a generator driving mechanism, a generator, a frame pivoted thereto, a driving wheel having a laterally movable axis of retation, a friction wheel mounted within said frame, and resilient means associated with said frame to maintain a constant frictional relation between said generator and driving wheel in all positions of the latter.

In witness whereof, I have hereunto subscribed my name in the presence of two witnesses.

WILLIAM L. BLISS. \Vitnesses:

Geo. B. Jones, F. H. HUBBARD. 

